Grade 7 - Mathematics4.46 Fill in the Blanks - II

Example: x2+16x+_____?Solution: (x)2 + 2.8.x + _____
This is the form of a2+2.a.b+____
If the given expression is to be the square of a binomial then last term = b2
= 82 = 64
Expression is = x2+16x+64 which is equal to (x+8)2.Directions: Fill in the following problems and write the answer in terms of (a+b)2 or (a-b)2 form. Also write at least ten examples of your own.